This report presents results of a field trial conducted at Montgomery Reef, Western Australia in August 2012 of the dedicated boat-based I-Tracker Turtle and Dugong Survey application. The project is a collaboration between the Dambimangari Rangers, the Kimberley Land Council (KLC), NAILSMA and CSIRO. The survey method and I-Tracker application used were based on previous research and field trials conducted by NAILSMA, CSIRO, and the Wunumbal Gaambera Aboriginal Corporation and its Uunguu Rangers with funding from the National Environmental Research Program.